142522163 has 4 divisors (see below), whose sum is σ = 162882480. Its totient is φ = 122161848.

The previous prime is 142522157. The next prime is 142522183. The reversal of 142522163 is 361225241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142522163 - 2¹⁰ = 142521139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142522123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10180148 + ... + 10180161.

It is an arithmetic number, because the mean of its divisors is an integer number (40720620).

Almost surely, 2^142522163 is an apocalyptic number.

142522163 is a deficient number, since it is larger than the sum of its proper divisors (20360317).

142522163 is an equidigital number, since it uses as much as digits as its factorization.

142522163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20360316.

The product of its digits is 2880, while the sum is 26.

The square root of 142522163 is about 11938.2646561383. The cubic root of 142522163 is about 522.3490408885.

The spelling of 142522163 in words is "one hundred forty-two million, five hundred twenty-two thousand, one hundred sixty-three".